5 Questions
Which term describes the ability of cardiac cells to respond to an electrical impulse?
Excitability
What is the term for the ability of cardiac pacemaker cells to spontaneously initiate an electrical impulse?
Automaticity
What is the term for the ability of cardiac cells to receive an electrical stimulus and conduct that impulse to an adjacent cardiac cell?
Conductivity
Which term describes the ability of cardiac cells to shorten, causing cardiac muscle contraction in response to an electrical stimulus?
Contractility
What is the result of the brief (rapid) flow of charged ions back & forth across the cell membrane?
Electrical impulses
Test your knowledge of the cardiovascular system with questions about cardiac muscles, intrinsic conduction system of the heart, cardiac output, regulation of heart rate, systemic and pulmonary circulation, hepatic portal and cerebral circulation, and blood pressure.
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